fix bend_direction ports

[joamatab]

fixes #2576

    c = bend_euler(direction='cw')
    c.show(show_ports=True)

before

after

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 71.81%. Comparing base (e3a7689) to head (57ab09a).

Files	Patch %	Lines
gdsfactory/components/bend_euler.py	0.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2577   +/-   ##
=======================================
  Coverage   71.81%   71.81%           
=======================================
  Files         368      368           
  Lines       23911    23911           
  Branches     3948     3948           
=======================================
  Hits        17171    17171           
  Misses       5529     5529           
  Partials     1211     1211           

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